JELD-WEN JII023 User Manual
IMPORTANT INFORMATION AND GLOSSARY
INSTALLATION INSTRUCTIONS
for Vinyl Projecting Windows with Integral Nailing Fin (JII023)
Thank you for selecting JELD-WEN products. Attached are
JELD-WEN’s recommended installation instructions for vinyl bay,
bow and garden windows which incorporate an integral nailing n.
While the use of these installation instructions is recommended,
installation in strict compliance with AAMA specications (2400-02)
is an alternate method of window installation. Use of the AAMA
specications (2400-02) will not affect application of the JELD-WEN
limited warranty.
Newer construction methods have led to an increase in air and water
tightness in buildings. This frequently leads to negative air pressure
inside the home, which can draw water through very small openings.
Our installation method integrates the window with the weather
barrier (typically building wrap).
Not all window types can be installed into every wall condition in all
areas. Consult your local building code ofcial for applicable building
codes and regulations. Local building code requirements supersede
recommended installation instructions.
Note! Installations where the sill is higher than 35 feet above ground
level, or any product installation into a wall condition not specically
addressed in these instructions, must be designed by an architect or
structural engineer.
Failure to install windows into square, level, and plumb openings could
result in denial of warranty claims for operational or performance
problems.
Note to Installer: Provide a copy of these instructions to the building
owner. By installing this product, you acknowledge the terms and
conditions of the limited warranty as part of the terms of sale.
ROUGH OPENINGS
This installation guide specically addresses sheathed wall and open-stud
construction. Windows without an integral head and seat board must be
placed on a structure that provides continuous support to the sill.
FULLY SHEATHED WALL CONSTRUCTION
The wall framing
is covered by
sheathing and
the window will
be mounted with
the nailing n
ush against the
sheathing.
Sheathed Wall
King
stud
Sill
Trimmer
studs
Header
Sheathing
Cripple studs
GLOSSARY
Mull Joint
The joint where two or more window units are structurally joined
together.
Mulled Unit
Two or more window units structurally joined together.
Shiplap
The layering method in which each layer overlaps the layer below it so
that water runs down the outside.
Weep Hole (weep channel)
The visible exit or entry part of a water drainage system used to drain
water out of a window.
1 hr
12
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11
2
10
9
3
8 4
7 5
6
Estimated Install
Time for New
Construction
First Time: 2 hrs
Experienced: 1.5 hrs
Professional:
OPEN STUD CONSTRUCTION
The wall
framing needs
Open-Stud with Backing
to be covered
by backing
support before
the window can
be installed. The
window will be
mounted with
the nailing n
ush against the
applied backing
support.
This backing
support should
be a non waterdegradable,
thin (max. 1/8" thick) sheet material such as vinyl sheeting. Completely
surround the rough opening with the backing support as shown.
Backing support must be applied before building wrap.
SAFETY AND HANDLING
INSTALLATION INSTRUCTIONS
for Vinyl Projecting Windows with Integral Nailing Fin (JII023)
SAFETY
• Read and fully understand ALL manufacturers’ instructions before
beginning.
• Do not work alone. Two or more people are required. Use safe lifting
techniques.
• Use caution when handling glass. Broken or cracked glass can cause
serious injury.
• Wear protective gear (e.g. safety glasses, gloves, ear protection, etc.).
• Operate hand/power tools safely and follow manufacturer’s operating
instructions.
• Use caution when working at elevated heights.
NEEDED MATERIALS AND TOOLS
MATERIALS
Note! Follow all material manufacturers’ instructions for proper use
and compatibility.
• 1 3/4" galvanized roong nails. Nails must penetrate at least 1" into
framing (or as required by local code).
• #10 x 3 1/2" corrosion resistant pan head screws. Screws must
penetrate at least 1" into framing (or as required by local code).
• Non water-degradable or compressible shims to level the sill
• 4", 6", or 9" (as required by local code and window conguration)
wide self-adhesive ashing: We recommend OSI® QUAD® Butyl
Flashing Tape or equivalent.
• Spray adhesive/primer for self adhesive ashing. Such as Loctite® 300
or equivalent
• Sealant: We recommend OSI® QUAD® Max Sealant or equivalent. This
can be used in any application and can be painted or ordered in a
color matched product, if desired.
WINDOW AND MATERIALS HANDLING
• Make sure operable windows are closed and locked prior to
installation.
• Heed material manufacturers’ handling and application instructions.
• Protect adhesive surfaces from dirt, moisture, direct sunlight and
folding over onto themselves.
• Handle in vertical position; do not carry at or drag on oor.
• Do not put stress on joints, corners, or frames.
• Store window in dry, well-ventilated area in vertical, leaning position
to allow air circulation; do not stack horizontally.
• Protect from exposure to direct sunlight during storage.
• Install only when conditions and sheathing are dry.
IF INJURY OCCURS, IMMEDIATELY SEEK MEDICAL ATTENTION!
• Backer rod 1/8" larger than the widest portion of the gap (used in
conjunction with sealant bead).
• Polyurethane low expansion Window and Door foam: We recommend
OSI® QUAD® Foam or equivalent).
• Non water-degradable or compressible shims
TOOLS
• Tape measure
• Utility knife
• Level (4' minimum
recommended)
• J-roller
• Caulking gun
• Drill with 1/8" tapered bit and
3/8" countersink
• Construction stapler with 3/8"
staples
• Hammer
1
REMOVE PACKAGING
Remove shipping materials such as corner covers, shipping blocks or
pads. If there is a protective lm on the glass, do not remove it until
installation and construction are complete.
INSPECT YOUR WINDOW
• Cosmetic damage
• Product squareness (diagonal measurements not more than 1/8"
different)
• Correct product (size, color, grid pattern, handing, glazing, energyefciency requirements, etc.)
• Cracked frame welds
REMOVE PACKAGING AND INSPECT WINDOW
2
• Splits, cracks, holes, missing sections or other damage to the nailing
n longer than 6" and/or within 1/2" of window frame
• For units with integral head and seat boards, ensure the top of the
mull joints are covered and sealed with silicone.
If any of the above conditions represent a concern, or if you expect
environmental conditions to exceed the window’s performance rating,
do not install the window. Contact your dealer or distributor for
recommendations.
INSTALLATION INSTRUCTIONS
for Vinyl Projecting Windows with Integral Nailing Fin (JII023)
2
• Verify the
width and
height of the
bay or bow
window are
each 1/2"
smaller than
the rough
opening width
and height. The
rough opening
for the garden
window should
be the same
size as the
window frame.
3
FOR RETROFIT INSTALLATIONS
1. Remove
sufcient
siding to
expose enough
intact building
wrap to
properly seal
the window to
the opening.
2. Remove the
old window. If
building wrap
is damaged,
apply new
building wrap
in shiplap
manner. Verify
trimmer studs/header are structurally sound. Continue with the
instructions.
3. Trim the sides sufciently to allow the nailing n to be mounted
against the sheathing.
INSPECT ROUGH OPENING
A
B
PREPARE ROUGH OPENING
45°
C
D
E
• Verify the rough opening is square. The (A) and (B) measurements
above should be the same. Maximum allowable deviation from square
is 1/8" for windows 20 sq. ft. and smaller, and 1/4" for windows larger
than 20 sq. ft.
• Verify the rough opening is level and plumb (C). The maximum
allowable deviation is 1/16" for every 2' of rough opening (not to
exceed 1/8").
• The rough opening sill must not be crowned or sagged (D). A 5 degree
sloped sill is recommended.
• Verify the exterior face of the rough opening is a single plane (E) with
less than 1/8" twist from corner to corner.
• Verify the header is supported by trimmer studs.
PREPARE BUILDING WRAP
Note! Check with the building wrap manufacturer to verify the
following steps will not void their product warranty. Follow
manufacturers' instructions.
1. Trim building wrap ush with the rough opening.
2. At the head, cut building wrap at 45° and tape up as shown.
3. Trim the sides sufciently to allow the nailing n to be mounted
against the sheathing.
Note! If installing a bay or bow window, proceed with section 4
“PREPARE SILL FOR BAY/BOW WINDOW.” If installing a garden window,
skip to section 8, “PREPARE SILL FOR GARDEN WINDOW.”
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